I found this quote by Nelson Pass about an EL-34 amplifier. For those that do not know Nelson is a leading authority on SS circuitry.
"Tubes do have a wonderful appeal. I have a SET using EL34's that almost duplicates the SIT-2. Power, distortion, damping are very similar. Bandwidth is wider on the SIT."
Post #19 http://www.diyaudio.com/forums/pass-labs/302390-hockey-puck-sit-2sk180-tokin-source-nos-2.html
The SIT-2 sound has been compared to a SET 300B amplifier by many reviewers. The SIT-2 was a $5,000 amplifier but is now discontinued. I have always said for the money a good tube SET is a good buy for users of horn speakers if you like the sound of a SET. I have two EL-34 SET amplifiers and love them both. Not quite the sound of my SET 300B or SET 45 tube amplifier but close enough and much cheaper to build or buy retail.
So .. i watched 4 episodes of GoT last evening, and after those tough i should do some more tests. After running the speakers and amp for ~4 hours at a cinema-ish level, the music sounds a LOT better even at lower volumes.
I know that PA speakers and amplifiers need to be "heated" to operational volume. It seems that consumer amplifiers need that also. ( Klipsch speakers also ? )
If we are to believe the specifications, the Klipsch is several dB more efficient, so it should sound louder, but it doesn't go as deeply into the bass. You could try turning up the bass control IF the bass control on the Elite affects the center channel. Most modern ones don't. Does your 9 band equalizer affect the center channel? Can you use the manual EQ without the MCAAC shutting off? Look for an indicator light.
I'd guess if you set the center channel to a 100 Hz crossover, the Infinity and the Klipsch would have about equal punch. Midbass punch occurs as high as 100 to 200 Hz.
Never heard CV but they are readily available here.
The most frequent comment about them is that the new line of speakers sound better than their previous line, and the previous was pretty bad.
Anyway, CV speakers are placed in lower grade category with Magnat and such.